Thymol Blue sodium salt
Thymol Blue sodium salt (CAS 62625-21-2) is a sodium salt derivative of Thymol Blue, a sulfonphthalein indicator. With the molecular formula C27H29NaO5S and a molecular weight of 488.57 g/mol, this compound is primarily utilised as a pH indicator in various laboratory and analytical applications. It exhibits distinct colour changes within specific pH ranges, aiding in titrations and chemical analysis.
- IUPAC
- Thymolsulfonphthalein sodium salt
pH Indication
Thymol Blue sodium salt serves as a vital pH indicator, showing a colour transition from red to yellow in the acidic range (pH 1.2-2.8) and from yellow to blue in the alkaline range (pH 8.0-9.6). This dual-range capability makes it useful for titrating weak acids and bases.
Analytical Chemistry
It is employed in analytical chemistry for determining the pH of solutions during volumetric analyses and general laboratory testing. Its clear colour changes facilitate accurate endpoint determination in titrations.
Biological Staining
As a component of certain staining solutions, it can be used in histology and cytology for differential staining of tissues and cells, contributing to microscopic visualisation.
| Molecular weight | 488.57 |
|---|---|
| Empirical formula | C27H29NaO5S |
| Assay | ≥98% |
| Solubility | 95% ethanol: soluble10 mg/mL, clear, dark green |
| Melting point | 283-285 °C (dec.)(lit.) |
| Protective equipment | Eyeshields, Gloves, type N95 (US), type P1 (EN143) respirator filter |
|---|---|
| Water hazard class (WGK, DE) | 3 |
Hazard information is provided for guidance. Always consult the product Safety Data Sheet (SDS), available on request, before handling.
Documentation
Every batch ships with a Certificate of Analysis covering assay, identity and purity; the grade is confirmed against your enquiry. Safety Data Sheets and technical data sheets are available on request.
Supply & logistics
Samples for technical evaluation; bulk MOQ by grade and packaging. In-stock material ships in 7–10 working days, worldwide, with full export documentation.
What is Thymol Blue sodium salt used for?
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Thymol Blue sodium salt is primarily used as a pH indicator in analytical chemistry and laboratory settings. It shows colour changes in specific pH ranges, assisting in titrations and general pH determination.
What are the CAS number and chemical formula for Thymol Blue sodium salt?
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The CAS number for Thymol Blue sodium salt is 62625-21-2, and its molecular formula is C27H29NaO5S.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies Thymol Blue sodium salt with an assay of ≥98%. This product is intended for research and laboratory use and is not supplied as USP, BP, EP, or pharmaceutical grade.
What are the safety considerations for handling Thymol Blue sodium salt?
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Handling requires appropriate personal protective equipment, including eyeshields and gloves. A type N95 (US) or type P1 (EN143) respirator filter is recommended. Refer to the Safety Data Sheet for comprehensive handling information. The substance has a WGK Germany classification of 3.
How is Thymol Blue sodium salt packaged and shipped?
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Thymol Blue sodium salt is carefully packaged to maintain its integrity during transit and is exported globally by Tech Serve Solutions in compliance with relevant shipping regulations.
How can I request a sample or quote for Thymol Blue sodium salt?
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To request a sample or a quote for Thymol Blue sodium salt, please contact our sales department through the website or by telephone.
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